//
//  AppDelegate.swift
//  MySinaWeiBo
//
//  Created by zhangfuwei on 15/7/29.
//  Copyright © 2015年 zhangfuwei. All rights reserved.
//

import UIKit

let FWNotification = "notification"
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        // Override point for customization after application launch.
        window = UIWindow()
        
        window?.backgroundColor = UIColor.whiteColor()
        window?.makeKeyAndVisible()        
        window?.rootViewController = defaultRootController()
        //  注册通知
        NSNotificationCenter.defaultCenter().addObserver(self, selector: "switchRootController:", name: FWNotification , object: nil)
        
        //  发送通知
         setApperance()
        return true
    }
    
    ///  设置全局属性
    func setApperance() {
        //  设置 tabbar/navBar 的外观
        UINavigationBar.appearance().tintColor = UIColor.orangeColor()
        UITabBar.appearance().tintColor = UIColor.orangeColor() 
    }
    
    ///  切换根控制器
    func switchRootController( n:NSNotification) {
        let mVc = n.object as! Bool
        
        window?.rootViewController = mVc ? MainControllerViewController():WelcomeController()
    }

    func defaultRootController() ->UIViewController {
        
        // 判断用户是否登录,没有登录返回主控制器
        if UserAccount.userLogin() == false  {
            return MainControllerViewController()
        }
       return isUpdate() ? NewfeatureViewController() : WelcomeController()
    }
    
    //  是否更新版本
    func isUpdate() -> Bool {
        // 获取当前版本
       let currentVersion = Double(NSBundle.mainBundle().infoDictionary!["CFBundleShortVersionString"] as! String!)
        
        //  获取之前版本
        let sandboxVersionKey = "sandboxVersionKey"
        let sandboxVersion = NSUserDefaults.standardUserDefaults().doubleForKey(sandboxVersionKey)
        
        //  保存,不需要立即保存
        NSUserDefaults.standardUserDefaults().setDouble(currentVersion!, forKey: sandboxVersionKey)
        
        
        
        //  返回当前两个版本的比较值
        return currentVersion > sandboxVersion
    }
    
    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

